1
Published 2017
OECD Publishing

2
Published 2015
Hellenic Institute of Internal Auditors

3
Published 2012
OECD Publishing

4
Published 2017
OECD Publishing

5
Published 2013
OECD Publishing

6
Published 2014
OECD Publishing

8
Published 2016
OECD Publishing

10
Published 2017
OECD Publishing

11
Published 2017
OECD Publishing

12
Published 2017
OECD Publishing

13
Published 2016
OECD Publishing

16
Published 2016
OECD Publishing

17
Published 2011
OKSIMORON, Center for foreign languages, education and translation

18
Published 2016
OECD Publishing

19
Published 2016
OECD Publishing